Car Horn Wiring Diagram Horn wiring How to wire a relay for horns on mgb and other british cars – moss motoring Relay mgb horns car-horn-wiring-diagram - DIY car repair for the average driver How to wire a relay for horns on MGB and other British cars – Moss Motoring Check Details car-horn-wiring-diagram - DIY car repair for the average driver Check Details ← Horn Relay Wiring Diagram Air Horn Wiring Diagram → Share with friends Link copied